[gnome-applets] sticky-notes: move applet_destroy_cb code to dispose function

[Alberts Muktupāvels <muktupavels src gnome org>]

commit d787c238b5ae16d7e86b3c74034a4dec486e5418
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sun Oct 2 17:18:31 2022 +0300

    sticky-notes: move applet_destroy_cb code to dispose function

 gnome-applets/sticky-notes/sticky-notes-applet.c | 30 +++++++-----------------
 1 file changed, 9 insertions(+), 21 deletions(-)
---
diff --git a/gnome-applets/sticky-notes/sticky-notes-applet.c 
b/gnome-applets/sticky-notes/sticky-notes-applet.c
index 74730ae71..b84a0fea4 100644
--- a/gnome-applets/sticky-notes/sticky-notes-applet.c
+++ b/gnome-applets/sticky-notes/sticky-notes-applet.c
@@ -250,9 +250,18 @@ sticky_notes_applet_dispose (GObject *object)
 
   self = STICKY_NOTES_APPLET (object);
 
+  if (self->notes != NULL)
+    {
+      stickynotes_save_now (self);
+
+      g_list_free_full (self->notes, (GDestroyNotify) stickynote_free);
+      self->notes = NULL;
+    }
+
   g_clear_object (&self->icon_normal);
   g_clear_object (&self->icon_prelight);
 
+  g_clear_pointer (&self->destroy_all_dialog, gtk_widget_destroy);
   g_clear_pointer (&self->w_prefs, gtk_widget_destroy);
 
   G_OBJECT_CLASS (sticky_notes_applet_parent_class)->dispose (object);
@@ -634,25 +643,6 @@ applet_placement_changed_cb (GpApplet          *applet,
        self->panel_orient = orientation;
 }
 
-static void
-applet_destroy_cb (GtkWidget         *widget,
-                   StickyNotesApplet *applet)
-{
-       GList *notes;
-
-       stickynotes_save_now (applet);
-
-       if (applet->destroy_all_dialog != NULL)
-               gtk_widget_destroy (applet->destroy_all_dialog);
-
-       notes = applet->notes;
-       while (notes) {
-               StickyNote *note = notes->data;
-               stickynote_free (note);
-               notes = g_list_next (notes);
-       }
-}
-
 /* Create a Sticky Notes applet */
 static void
 sticky_notes_applet_new (StickyNotesApplet *applet)
@@ -716,8 +706,6 @@ sticky_notes_applet_new (StickyNotesApplet *applet)
                        G_CALLBACK(applet_size_allocate_cb), applet);
        g_signal_connect(applet, "placement-changed",
                        G_CALLBACK(applet_placement_changed_cb), applet);
-       g_signal_connect(applet, "destroy",
-                       G_CALLBACK(applet_destroy_cb), applet);
 
        atk_obj = gtk_widget_get_accessible (GTK_WIDGET (applet));
        atk_object_set_name (atk_obj, _("Sticky Notes"));